Home / 15,714.23-21,679.45-8,996.24

Finding the Fourth Proportional to 15,714.23, 21,679.45 and 8,996.24

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Solution

The fourth proportional to 15,714.23, 21,679.45 and 8,996.24 is: 12,411.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,714.23 : 21,679.45 = 8,996.24 : x
  2. Step 2: Convert to fraction form
    15,714.23/21,679.45 = 8,996.24/x
  3. Step 3: Cross multiply
    15,714.23x = 21,679.45 × 8,996.24
  4. Step 4: Simplify right side
    15,714.23x = 195,033,438.12
  5. Step 5: Solve for x
    x = 195,033,438.12/15,714.23
  6. Step 6: Final answer
    x = 12,411.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.